tennsoku/distributedscheduler

A scheduler under docker environment

• DB Entries:

(DB)                master-slave
                         |
(Collection)        taskIdentity
                         |
                    ------------
(primary key)   taskname:       String
                sleeptime:      int
                state:          'created'/'killed'/'running'/'success'
                host:           String

• Setup mongo image:

sudo docker pull mongo

• Setup mongo container:

sudo docker run -d -it -p 27017:27017 -v {dockerFileRoute}:{DBFileRoute} --name mongodb -d mongo

• To generate 100 random tasks:

pip install Flask
pip install pymongo
python3 my_script.py

An API endpoint is also included in the script. http://localhost:6330/ Will print all items under master-slave/taskIdentity collection.

• To build master docker image: Go to directory and run:

./build

• To run/stop master docker container:

./start
./stop [containerID]

• To build slave docker image:

./build [port]

--port: Assign PORT for current image. Multiple slave containers need multiple available port.

• To run/stop slave docker container:

./start [port]
./stop [containerID]

• To run master/slave on localhost: Uncomment the localhost DB_HOST/MS_HOST in master.js/slave.js and comment out docker host. Please run

npm install

before

node master
node slave